Hontaog 5 Pack Single Chainring Bolts, M8 Aluminum Alloy MTB Road Bike Crankset Chain Ring Bolts – CNC Bicycle Chainwheel Bolts (Black)

• 【Comprehensive Set】: Our package contains 5 pairs of individual chain blades and nuts, providing an ample amount to modify and replace most single chain leaves of bicycles themselves and damaged chainring screws.
• 【Perfect Size】: The nut measure 10 mm x 6.5 mm; Screws measure 8 mm x 9.5 mm. These bicycle crank arm screws require a 5 mm inner hexagon key for installation. Please ensure the size is suitable before purchase.
• 【Quality Material】: These black crank screws are crafted from 7075 CNC aluminum alloy, weighing approximately 1.5 g each. Their lightweight yet sturdy composition offers a balance between performance and durability.
• 【Corrosion Resistant】: Each screw surface undergoes electrophoretic coating, effectively preventing corrosion and rust while maintaining an appealing metallic shine.
• 【Versatile Use】: These chainring screws are an excellent accessory for cycling enthusiasts, suitable for most mountain bikes, racing bikes, folding bikes, fixed gear bikes, downhill bikes, rail bikes, and BMX bikes.

Specifications: Size: Shaft length of the nuts: 6.5 mm Shaft diameter of the nuts: 10 mm Screw head diameter: 8 mm Screw head length: 9.5 mm Material: 7075 aluminum alloy Color: Black Package content: 5 sets of single chain blades Note: 1. Please check the size before buying. 2. Please be careful not to apply excessive power when installing the chainring screws, otherwise they can break. 3. Please confirm before buying whether the model is applicable. You can first measure your previous screw size.